GB2458595B - Active control of a body by altering surface drag - Google Patents

Active control of a body by altering surface drag

Info

Publication number
GB2458595B
GB2458595B GB0911332A GB0911332A GB2458595B GB 2458595 B GB2458595 B GB 2458595B GB 0911332 A GB0911332 A GB 0911332A GB 0911332 A GB0911332 A GB 0911332A GB 2458595 B GB2458595 B GB 2458595B
Authority
GB
United Kingdom
Prior art keywords
active control
surface drag
heat transfer
deformations
altering surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB0911332A
Other languages
English (en)
Other versions
GB2458595A (en
GB0911332D0 (en
Inventor
Roderick A Hyde
Nathan P Myhrvold
Lowell L Wood Jr
Alistair K Chan
Clarence T Tegreene
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Searete LLC
Original Assignee
Searete LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/633,143 external-priority patent/US8074939B2/en
Priority claimed from US11/633,145 external-priority patent/US9002484B2/en
Priority claimed from US11/633,083 external-priority patent/US8074938B2/en
Application filed by Searete LLC filed Critical Searete LLC
Publication of GB0911332D0 publication Critical patent/GB0911332D0/en
Publication of GB2458595A publication Critical patent/GB2458595A/en
Application granted granted Critical
Publication of GB2458595B publication Critical patent/GB2458595B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
    • B63B1/34—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • B64C23/005—Influencing air flow over aircraft surfaces, not otherwise provided for by other means not covered by groups B64C23/02 - B64C23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C3/00—Wings
    • B64C3/38—Adjustment of complete wings or parts thereof
    • B64C3/44—Varying camber
    • B64C3/48—Varying camber by relatively-movable parts of wing structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/10—Influencing flow of fluids around bodies of solid material
    • F15D1/12—Influencing flow of fluids around bodies of solid material by influencing the boundary layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/02—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by influencing fluid boundary
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/02—Boundary layer controls by using acoustic waves generated by transducers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/10—Drag reduction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Feedback Control In General (AREA)
  • Control Of Position Or Direction (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)
  • Flow Control (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Toys (AREA)
GB0911332A 2006-12-01 2007-11-27 Active control of a body by altering surface drag Active GB2458595B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11/633,143 US8074939B2 (en) 2006-12-01 2006-12-01 Active control of surface drag
US11/633,145 US9002484B2 (en) 2006-12-01 2006-12-01 System and method for deforming surfaces
US11/633,083 US8074938B2 (en) 2006-12-01 2006-12-01 Active control of a body by altering surface drag
US11/633,082 US8783337B2 (en) 2006-12-01 2006-12-01 System for changing the convective heat transfer coefficient for a surface
PCT/US2007/024488 WO2008069937A2 (fr) 2006-12-01 2007-11-27 Contrôle actif d'un corps en modifiant sa résistance de frottement

Publications (3)

Publication Number Publication Date
GB0911332D0 GB0911332D0 (en) 2009-08-12
GB2458595A GB2458595A (en) 2009-09-30
GB2458595B true GB2458595B (en) 2011-06-15

Family

ID=39492528

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0911332A Active GB2458595B (en) 2006-12-01 2007-11-27 Active control of a body by altering surface drag
GB0911333A Active GB2458596B (en) 2006-12-01 2007-11-28 System and method for deforming surfaces
GB0911334.1A Active GB2458597B (en) 2006-12-01 2007-11-28 System and method for changing the convective heat transfer of a surface

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB0911333A Active GB2458596B (en) 2006-12-01 2007-11-28 System and method for deforming surfaces
GB0911334.1A Active GB2458597B (en) 2006-12-01 2007-11-28 System and method for changing the convective heat transfer of a surface

Country Status (3)

Country Link
US (1) US8783337B2 (fr)
GB (3) GB2458595B (fr)
WO (3) WO2008069937A2 (fr)

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US8679331B2 (en) 2008-01-03 2014-03-25 The Invention Science Fund I Llc Water alteration structure movement method and system
US8348550B2 (en) 2008-01-03 2013-01-08 The Invention Science Fund I Llc Water alteration structure and system having heat transfer conduit
EP2239793A1 (fr) 2009-04-11 2010-10-13 Bayer MaterialScience AG Montage de film polymère électrique commutable et son utilisation
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US11643169B2 (en) * 2019-02-19 2023-05-09 The Government of the USA represented by the Sec. of the Navy Apparatus with a controllable surface for underwater boundary flow
WO2021089595A1 (fr) * 2019-11-06 2021-05-14 Airbus Operations Gmbh Corps d'écoulement pour aéronef doté d'une bosse de choc activable de manière sélective
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US20050106017A1 (en) * 2002-06-21 2005-05-19 Darko Segota Method and system for regulating fluid over an airfoil or a hydrofoil

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US20050106017A1 (en) * 2002-06-21 2005-05-19 Darko Segota Method and system for regulating fluid over an airfoil or a hydrofoil

Also Published As

Publication number Publication date
WO2008069937A2 (fr) 2008-06-12
WO2008069937A3 (fr) 2008-08-28
GB2458597A (en) 2009-09-30
GB2458596B (en) 2011-06-08
US20080245520A1 (en) 2008-10-09
WO2008105861A3 (fr) 2008-12-04
GB0911334D0 (en) 2009-08-12
GB2458596A (en) 2009-09-30
GB2458595A (en) 2009-09-30
GB0911332D0 (en) 2009-08-12
GB0911333D0 (en) 2009-08-12
WO2008105861A2 (fr) 2008-09-04
WO2008069948A1 (fr) 2008-06-12
US8783337B2 (en) 2014-07-22
GB2458597B (en) 2012-04-04

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